Seamaster
Explore our curated selection of pre owned Omega Seamaster at Greenwich Watch Co. The Seamaster is the professional dive line famous for its Diver 300M, a line that traces back to 1948, and every example we list is authenticated in house, photographed exactly as it will arrive and offered from about $3,000 to $20,776. Whether you are buying your first omega seamaster or adding to a serious collection, this page brings together our current inventory alongside everything you need to buy with total confidence. Each watch ships free and fully insured across the United States, backed by our warranty, with a twenty percent discount for payment in Bitcoin.

About the Omega Seamaster
The Seamaster has earned its reputation over decades as the professional dive line famous for its Diver 300M. Collectors are drawn to the omega seamaster for a rare combination of heritage, engineering and everyday wearability that few watches can match. On the secondary market the omega seamaster is often the smartest route to ownership, giving you access to discontinued references and hard to find configurations without the retail waitlist. Buying pre owned also means you see the exact watch before you commit, rather than an image in a catalogue.
The Omega Seamaster range we carry
We currently hold 21 omega seamaster watches in stock, spanning different reference numbers, dial colours, metals and years. Prices run from about $3,000 to $20,776, reflecting genuine market value rather than guesswork. Every listing sets out the reference, case size, metal, dial and condition up front, and the collection refreshes regularly as new pieces arrive and others sell. If you are hunting a specific omega seamaster configuration and do not see it here, our team can source it for you.
How to buy a pre owned Omega Seamaster
Start by deciding on the era and configuration that suits you, then compare condition, box and papers status and price across the examples on this page. A pre owned omega seamaster from a trusted dealer should always arrive authenticated, honestly described and fairly priced. We verify the serial and reference of every omega seamaster against factory specification, disclose condition openly and stand behind each watch with our warranty. Learn the exact checks we run in our authentication guide, or browse live values in our price guide.
What to look for in a Omega Seamaster
Condition is everything on the secondary market. Examine the sharpness of the case lines, the originality of the dial and hands, the action of the bracelet or strap and the health of the movement. On a omega seamaster the smallest details separate a fair example from a great one, which is why we inspect movement, case and bracelet on every watch before it is listed. A omega seamaster that has been well cared for and correctly serviced will run reliably and hold its value for years to come.
Omega Seamaster pricing and value
The value of a omega seamaster moves with reference, materials, age, condition and box and papers status. Our current Omega Seamaster inventory is priced from about $3,000 to $20,776, and we benchmark every watch against live market data so you never overpay. Precious metal and rarer references command a premium, while honest, well kept steel examples offer some of the best value in the omega seamaster range. Compare openly using our Rolex price guide before you buy.
Who the Omega Seamaster is for
The Seamaster suits the collector who wants a piece of genuine horological history on the wrist every day. It dresses up and dresses down with ease, moving from the office to dinner without missing a beat, which is exactly why a omega seamaster so often becomes the watch its owner reaches for every morning.
Why buy your Omega Seamaster from Greenwich Watch Co
We are an independent dealer built on trust: authenticated watches, fair market pricing and a transparent process on every order. Your omega seamaster ships free, fully insured, discreetly packaged and tracked to your door anywhere in the United States. Prefer to pay in Bitcoin? Enjoy a twenty percent discount at checkout, and explore Bitcoin and mining hardware at our partner thebitcoinminers.com. Ready to trade in a watch toward your next one? Our sell your Rolex service makes fast, fair offers based on live data.
A short history of the Omega Seamaster
Introduced around 1948, the Seamaster has evolved across generations while holding on to the design language that made it famous. Successive references refined the case, dial and movement, so the secondary market now offers everything from vintage examples with warm patina to near current pieces with the latest calibres. That breadth is part of the appeal: two omega seamaster watches from different decades can feel like entirely different companions, yet both carry the same unmistakable identity. Understanding how the line developed helps you choose the era that speaks to you and buy with real conviction.
Owning and caring for a Omega Seamaster
A omega seamaster rewards basic, sensible care. Keep it clear of strong magnets and hard knocks, rinse a water resistant model after the sea, and have the movement serviced roughly every five to ten years to keep it running within specification. Treated with respect, a omega seamaster is a genuinely multi generational object that can be passed down and enjoyed for a lifetime. We are always happy to advise on service intervals and to help you keep the records that protect your watch resale value down the line.
Related Omega collections
If you are exploring the Seamaster, these related collections are worth a look too: Speedmaster, Constellation, Omega. You can also browse our full watch inventory, check live values in the price guide, or trade in a watch through our sell your Rolex service.
Frequently asked questions
Are your Omega Seamaster watches genuine?
Yes. Every omega seamaster is authenticated in house by Greenwich Watch Co and guaranteed genuine, sold with our warranty and a full refund if any watch is ever found not to be authentic.
Do Omega Seamaster watches come with box and papers?
Box and papers status is stated on each listing and confirmed on request. Full set examples are available across the collection.
How much does a pre owned Omega Seamaster cost?
Our current omega seamaster inventory is priced from about $3,000 to $20,776, with value driven by reference, metal, year and condition.
Do you ship a Omega Seamaster insured?
Yes. Every order ships free and fully insured to all fifty United States, tracked and signed for on delivery.
Greenwich Watch Co is an independent pre owned watch dealer. We are not affiliated with, sponsored by, or an authorized dealer of Rolex SA or any manufacturer. Every watch is authenticated in house and sold with our warranty.
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